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However - putting concrete over brick is a BAD idea unless carefully donw as a second separate coat, with air gap and water (not vapor) barrier behind (as with stucco) - because it will trap moisture in the brick, which will then dregrade. Brick is very sensitive to moisture - let it get more or less continuously wet and it starts spalling, then eventually turns back to clay - it needs to breathe, so shoud not be coated or sealed - and of course for that reason should not be used for exterior finish in wet climates.

You did not say WHY you want to do this - but if a facade, I would tear it off first, then go with a concrete plank or panel product over appropriate insulation, firring gap, and water barrier.